Suggested diff does not reflect newline

Context

Given a pull request with 2 changed lines, the first being a new line of code, the second being an empty line. When adding a suggestion for these 2 lines, to remove them, the preview does not correctly reflect the change.

Expected behaviour:

Both lines are shown to be removed

Actual behaviour:

Only the first line shows up in the preview

Example

image

Known workaround:

Selecting 1 extra line and not removing it.